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Advisories

n8n before 2.36.2 Query Injection via Elasticsearch Firestore Nodes

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severity
medium
date
Affecting

  • n8n >= 0, < 2.36.2

  • n8n >= 0, < 2.35.4

CWE
  • CWE-943 Improper Neutralization of Special Elements in Data Query Logic
CVSS
6.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N
Description
n8n before 2.35.4 and 2.36.x before 2.36.2 contain a query injection vulnerability in the Elasticsearch Document Get All and Google Cloud Firestore Document Query operations, which build their JSON query by interpolating expression values directly into the query string before parsing. A value containing quote and brace characters can close the intended field and introduce new query operators, turning an intended single-document lookup into a full-collection read.

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